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[/] [potato/] [tags/] [v0.1/] [benchmarks/] [sha256/] [uart.c] - Rev 53
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// The Potato Processor Benchmark Applications // (c) Kristian Klomsten Skordal 2015 <kristian.skordal@wafflemail.net> // Report bugs and issues on <http://opencores.org/project,potato,bugtracker> #include <stdarg.h> #include <stdbool.h> #include "platform.h" #include "uart.h" void uart_puts(volatile uint32_t * base, const char * s) { for(int i = 0; s[i] != 0; ++i) uart_putc(base, s[i]); } void uart_putc(volatile uint32_t * base, char c) { // Wait until there is room in the transmit buffer: while(base[UART_STATUS >> 2] & (1 << 3)); base[UART_TX >> 2] = c & 0x000000ff; } void uart_puth(volatile uint32_t * base, uint32_t n) { static const char * hex_digits = "0123456789abcdef"; uart_putc(base, '0'); uart_putc(base, 'x'); for(int i = 28; i >= 0; i -= 4) uart_putc(base, hex_digits[(n >> i) & 0xf]); }
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